cd51fcd35f
Patch by Erich Ocean and Ryan Dahl. Review URL: http://codereview.chromium.org/545125 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3688 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
93 lines
3.7 KiB
C
93 lines
3.7 KiB
C
/*
|
|
* Copyright 2007-2008 the V8 project authors. All rights reserved.
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials provided
|
|
* with the distribution.
|
|
* * Neither the name of Google Inc. nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/**
|
|
* Dtoa needs to have a particular environment set up for it so
|
|
* instead of using it directly you should use this file.
|
|
*
|
|
* The way it works is that when you link with it, its definitions
|
|
* of dtoa, strtod etc. override the default ones. So if you fail
|
|
* to link with this library everything will still work, it's just
|
|
* subtly wrong.
|
|
*/
|
|
|
|
#if !(defined(__APPLE__) && defined(__MACH__)) && \
|
|
!defined(WIN32) && !defined(__FreeBSD__) && !defined(__OpenBSD__) && \
|
|
!defined(__sun)
|
|
#include <endian.h>
|
|
#endif
|
|
#include <math.h>
|
|
#include <float.h>
|
|
|
|
/* The floating point word order on ARM is big endian when floating point
|
|
* emulation is used, even if the byte order is little endian */
|
|
#if !(defined(__APPLE__) && defined(__MACH__)) && !defined(WIN32) && \
|
|
!defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__sun) && \
|
|
__FLOAT_WORD_ORDER == __BIG_ENDIAN
|
|
#define IEEE_MC68k
|
|
#else
|
|
#define IEEE_8087
|
|
#endif
|
|
|
|
#define __MATH_H__
|
|
#if defined(__APPLE__) && defined(__MACH__) || defined(__FreeBSD__) || \
|
|
defined(__OpenBSD__) || defined(__sun)
|
|
/* stdlib.h on FreeBSD and Apple's 10.5 and later SDKs will mangle the
|
|
* name of strtod. If it's included after strtod is redefined as
|
|
* gay_strtod, it will mangle the name of gay_strtod, which is
|
|
* unwanted. */
|
|
#include <stdlib.h>
|
|
|
|
#endif
|
|
/* stdlib.h on Windows adds __declspec(dllimport) to all functions when using
|
|
* the DLL version of the CRT (compiling with /MD or /MDd). If stdlib.h is
|
|
* included after strtod is redefined as gay_strtod, it will add
|
|
* __declspec(dllimport) to gay_strtod, which causes the compilation of
|
|
* gay_strtod in dtoa.c to fail.
|
|
*/
|
|
#if defined(WIN32) && defined(_DLL)
|
|
#include "stdlib.h"
|
|
#endif
|
|
|
|
/* For MinGW, turn on __NO_ISOCEXT so that its strtod doesn't get added */
|
|
#ifdef __MINGW32__
|
|
#define __NO_ISOCEXT
|
|
#endif /* __MINGW32__ */
|
|
|
|
/* On 64-bit systems, we need to make sure that a Long is only 32 bits. */
|
|
#ifdef V8_TARGET_ARCH_X64
|
|
#define Long int
|
|
#endif /* V8_TARGET_ARCH_X64 */
|
|
|
|
/* Make sure we use the David M. Gay version of strtod(). On Linux, we
|
|
* cannot use the same name (maybe the function does not have weak
|
|
* linkage?). */
|
|
#define strtod gay_strtod
|
|
#include "third_party/dtoa/dtoa.c"
|